Need Help Battery leak in trunk

[PhyschoMP3]

I had a battery leak into my trunk of my MP3. How should i clean it up? i cleaned it the best i could by soakin up the acid but now there is white flakes in the back...

 

[brenzbmr]

dude get some baking soda and mix it with water and dump it in the area

then let it nuetralize the acid and then clean it up